Bone, steel and metal tracer lines

Description:
- Second half of the 19th century. It would probably belong to a compass box.
- A two-piece tracerline. The handle is made of bone, which is screwed to a cylindrical base. The body has a white metal alloy head and chrome-plated or nickel-plated steel tongues.
- When the handle is unscrewed, it has a needle at the top which was used in the planes. This is a very rare and curious feature.
- The base of the handle ends in a beautifully carved miniature ball.
- The tips of the tongues are in very good condition. The distance between the tongues is adjusted by means of a metal wheel with a threaded bolt that runs through the upper tongue, threading into the lower tongue.
- No distinguishing mark or contrast has been found that could provide information on where it was made, the manufacturer's details, or any other information.
Conservation and damage:
- There are small dents and scratches on the tongues, due to use.
- The bone handle has a very small black stain, but is otherwise clean.
- The Object shows wear typical of it's age.

Comments:
- Both the measurements and the weight are approximate.
- Very interesting as a collector's item and as a decorative element.
- The tones of the colours in the photos are not the same as the tones of the real colours.
- The object for sale is the one that corresponds to the photos. The description is not a detailed exposition of the object.
- The data provided here are personal opinions not contrasted.